Metal-working machine.



No.-654.6l6. Patented luly 3|, I900. A. D. FIELD, F. MARGGRAFF &. J. DRAHEB.

METAL WORKING MACHINE.

(Application filed Feb. 24, 1899.)

(No Model.) s sheet -sheet 1.

WITNESSES. INVENTORS 4%:- 49. 441.

THE NORRIS vzrsns 00.. Prioroumo. wnsmnnmu. D. c.

%. ATTORNEYS No. 654,6l6. Patented luly 3l, mm

A. D. FIELD, MARGGBAFF & J. DRAHEB.

IIETAL'WORKING MACHINE;

(Application filed Feb. 24,1889.)

(No Model.)

l6 Sheets-Shoat 2,

INVENTORS W40. 5.44, MW

ATTORNEYS WITNESSES:

Ill]

. Patented July 3!, I900. Ara. FIELD, F. MABGGRAFF & J. DRAHER.

METAL WORKING MACHINE. Application filed Fab. 24, 1899.)

I6 Sheets-Sheet 3,

(No Model.)

INVENTORS flaw/(Q M $06.07;:

% ATTORNEYS THE Noam; PEIERS co. womufua, wAsnmc'ron, u c.

' Patented July 3|, I900. A.,D. FIELD F. MARGGBAFF &. J. DRAHE-R.

METAL WORKING MACHINE.

l6 Shee'ts$heet 4.

(Application filed Feb. 24, 1899.) (No Model.)

- N was Maw 7% ATTORNEYS No. 654,616. Patented July 3|, I900. A. D. FIELD, F. MARGGRAFF &. J. D-RAHEB.

METAL WORKING MACHINE.

(Application filed Feb. 24, 1899.)

I6 Sheets-Sheet 5.

(No .Io dal.)

% ATTORNEYS .NO, 654,6l6. Patented .luly 3|, I900.

- A. D. FIELD, 'F. MARGGRA'FF &. J. DBAHER.

METAL WORKING MACHINE.

(Application filed Feb. 24, 1899.)

I6 Sheets-Sheet 6.

(No man.)

. Mk xx INVENTOR$ x9. M

WITNESSES:

ATTORNEYS %M fM 1n: NORRIS PETER$ ca, um-ammo" wunma'rou. a. c.

N Patented July 3|, I900.

A. D. FIELD, F. MABGGBAFF 81. J. DRAHER. METAL WORKING IAGHINE.

(Application filed Feb. 24, 1899.)

(No Model.) l6 Shoots-Sheet 7,

INVENTOBS WITNESSES: y @1261 ap; ATTORNEYS- No. 654,6!6. Patented July 3|, I900.

A. D. FIELD, F. MABGGBAFF 8. J. DRAHER. METAL WORKING MACHINE.

(Application filed Feb. 24, 1899.). (No Modal.) l6 Sheets-Sheet 8,

wig-71H.

, m M M I ATTORNEYS THE Nonms PETERS c0. Pnorouma. WASHINGTON, o c.

No. 654,6l6. Patented July 3|, I900. A. D. FIELD, MARGGRAFF &. J. DBAHER.

. METALWOBKING MACHINE.

(Application filed Feb. 24, 1899.) (No Model.) l6 Sheets-Sheet 9.

NESSES: v INVEN-TORS MAQM flaw ATTORNEYS z mums PETERS o0. Pno'mumo. wumuu'rm. n. c.

No. 654,6l6. Patented July 3|, I900. A. o. FIELD, F. MARGGBAFF & J. DRAHER.

.ME-TAL womuna momma.

(Application filed Feb. 24, 1899.) (No Modal.)

I6 Sheets-Sheet m.

ATTORNEYS.

m: Norms vs-rsns cu. vnnml man. WASHINGTON. a. c.

No. 654,6l6.

' Patented July 3|, I900 A. D. FIELD, F. MARGGRAFF &. J. DBAHEB.

METAL WORKING MACHINE.

(llo llodeL) (Application filed Feb. 24, 1899.)

I6 Sheets-Sheet l2 3.5" 29* I ma" 0x 50 liilllllll 71%; ATTORNEYS N0. 654,616. 6 Patented July 3|, I960. A, 6. new, 6. MABGGRAFF &. J. DRAHEB. METAL WORKING MACHINE.

(Application flledieb. 24, 1899.)

(No Model.) I6 Sheets-Sheet I3;

6'! 3: iiiiiil i liiiiiijf 5/ 66 Ji 6 Th 3 a? g WITNESSES: INVENTORS ATTORNEYS Tn: Num'us PETERS co. PNOYOUTNO wnsmum'ou, n. c.

No. 654,6!6. Patented July 3| I900. A D. FIELD, F. MABGGRAFF 8|. J. DRAHEB.

mam. wonkms MACHINE;

' (Application filed Feb. 24, 1899.) (No Model.)

l6 Sheets-Sheet l4.

INVENTORS 764 ATTORNEYS Nb. 654,6!6. Patehted July 3|, I900. I

A. 11. FIELD, F. MARGGBAFF & .1. DRAHER;

METAL WORKING MACHINE.

\ (Annlica-tion filed Feb. 24, 1899.) {No Model.) [6 Sheets-Sheet l5.

INVENTORS A9. M W

W wa J 7 ATTORNEYS m: NORRII virus 00,. mom-Inna. wlsummon. o, c.

' tion.

Atennr 13. FIELD, FREDRICKWMARGGRAFF, AND Joint R'AHEaoF WATEBBURY,"CONNECTICUT, Assrenoas, BY DIRECT AND MESNE ASSIGNMENTS; To THE SHOE HARDWARE "COMPANY, or SAME PLACE.

M actate M CH IN E] srnorrionrroiv sense art of Letters Patent. No. 654.615; said J-tny 31, 1900. Application filed February 24,1899. 'Serial. No. 706656! (No nibaeio To all whom it may conccrit:

Be it known that we, ALBERT D. FIELD, FREDRIOK MARGGRAFF, and JOHNHDRAHER, residing at Waterbury, New Haven county, Connecticut, have invented certain new and useful Improvements in Metal -Working Machines, of which the followingis a specification.

Our invention relates to metal-working machines generally, and the particular mechanism shown and described is for stamping up sections of shoe-buckles and for uniting the parts-that is to say, sheet metal is automatically fedjto the machine and blanks are cut therefrom, the blanks are formed, and the parts assembled and united to produce complete buckles. M j

The object of the invention is to prod ucc an eflicient mechanism of the character described which will produce completed buckles and wherein there is little, if any, liability of the parts becoming broken or disarranged during the operationof the machine.

To theseends our invention consists in the novel arrangement and combination of the parts hereinafter described andclaimed.

In the accompanyin g drawings,wherein like reference characters illustrate corresponding parts in the various views, Figure l is a front elevation of a machine embodying our inven- Fig. 2 is an end elevation of the sanie looking in the direction of the arrow in Fig? 1. Fig. 3'is a horizontal sectional view. of the same on the line 3 3 of Fig. 1. Fig.4 isan enlarged horizontal sectional View of a portion of the apparatus with parts broken away, the

View being taken on the line 44 of Fig. 1. Fig. 5 is atransverse vertical sectional view of the upp'erportion of the apparatus, the view being taken on the line 5 5 of Fig. 1, looking in the direction of the arrow in the said lastfront'elevation of a portion of the machine named figure. Fig. 6 is a transverse vertical sectional View showing a continuation of the parts represented in Fig. 5 and the lower portion of the machine, the said view being taken on the line 5 5 of Fig. 1. Figs. 7 and 8 are detail side views of certain of the operatingcams to be hereinafter described. Fig. 9 is a with parts broken away and omitted for the purpose of clearer illustration, the viewbeing taken through the line 9 9 of Fig. 4. Fig. 10 is a plan view of the bed-plate or those portions of the bed-plate immediately under the dial-plates, thejview showing'the various dies and the transverse'as's'embling-slide, Fig. 11 is a detail bottomview of the mechanism for operating certain of the dies of the apparatus. Fig. 12 is a transverse sectional view of the same on line 12 12 of Fig. 11. Fig. 12 is a fragmentary detail sectional view of parts to be hereinafter referred to. larged detail sectional View of the blanking punch and die and the mechanism cooperating therewith, the View being taken on the line 13 13 of FigJlO. Fig. 14 isa detail face view of the blanking-die. Fig. 15 is a detail side view ofone of the operating-cams and its cooperating mechanism. Fig. 16 is an enlarged detail transverse sectional view of a portion of the dial-plate-controlling mechanism. Fig. 17 is an enlarged detail perspective view of a portion of the same. Fig. 18 is a fragmentary top view of one of the dial-plates and the clamping mechanism for maintaining the same in position. Fig. 19 is a transverse sectional view of the same on the line 19 19 of Fig. 18. Fig. 20 is an enlarged detail bottom view of the transverse slide. Fig.2l is a top view of the same with portions broken away. Fig. 22 is a side view of the transverse slide with portions broken away. 1 Fig. 23-is an enlarged detail vertical sectional view of the transverse slide and the closing-die with which i said slidecooperates. Fig. 24 is a like view of the same,' showing the buckle assembled and the closing punch and die in contact therewith to bring about the closing operation Fig. 25 is a f ull-sized detail side 'view of, the blanking punch for the body-plate of the buckle. Fig. 26 is a full-sized face'or end view of'the same. Figs. 27 and 28 are'face and central longitudinal sectional views, respectively, of the blank made by the punch illiistrated'in Figs. 25 and 26. Fig. 29 is a full-sized detail side view of the next blanking-punch which opcrates upon the blank illustrated in Fig. 27. Fig. 30 is afull-sized detail face or end view Fig. 13 is an en- Figs. 35 and 36-are face and side views, r6

spectivel y, of the partly struckup blank formed by the punch illustrated in Figs. 33' and 34. Fig. 37 is a full-sized detail side view of the second forming-punch. Fig. 38 is a the. completed buckle.

eral' setsof mechanism, all of which cooper- I ing punches for the tongue.

full-sized face or end view of the same. Figs- 39 and 40 are full-sized face and side views, respectively, of the blank as it'is formed by the punch illustrated in Figs. 37 and 38. Fig.

41 is a detail side view of the third form-ingpunch for the body-plate of the buckle. Fig. 42 is a full-sized end view of the same. Figs. 43-a nd44 are face andside views, respectively, of the buckle-body as it is formed by the punch illustrated in Figs. 41 and-42. Fig.4j5

isa side view, w.ithportions broken away. of

the. turning or uniting punch. Fig. 46. is a fnllj-sized-end View ofthe same. Figs/7 and 48. are bottomand side Views,respectively, of Fig. 49 is a. detail side view of'the blanking-punch for the ton gue of the, buckle. Fig. 501 is an end view of the same. Figs. 51 and 52"are face and side views, respectively, of the blank made by the punch illustrated in Fig. 49. Fig.53 is aside view Fig. 54 isan end view of the same. Figs. 55 and 56 are face and side Views, respectively, of the blank for the tongue as it is formed by thepunch illustrated in Fig. 53. Fig. 57 is a full-sized sideview offthe second formingpunch for the tongue. Fig. 58 is an end View of; the same. Figs. 59. and. 60 are plan and side views, respectively, of the tongue as it is formed by the, punch illustrated in Fig. 57 'ditscoo'perating mechanism. Fig. 61 is a full-sized side View. of the third of the form- Fig. 62 is an end view ofthe same. Figs. 63 and 64. are planand' side views, respectively, of the tongue of; the buckle as it is formed by the punch illustrated in Fig, 61. 'Z'flv are plan views of the dies which cooperate withthepunches illustrated-in Figs. 29, 33, 37.; and 45. Figs.f66,' 68, 70, and 72 are longitudinalsectional' views through said dies, the viewsbeing taken on. the lines 66. 66,6868, 7;0 and 72,72, 'espectively, of Figs. 65,67, 69, 3- 181 7.11., Fig, 73 is a face View ofthe die for, theytongue which cooperates with the punch illustrated in. Figs. 53'a-nd 54. Fig. 74 is a.

longitudinal sectional view of the same on thezline 747401 Fig. 73.

Our invention may be said to comprise sevate toproduce a complete buckle. The machine, briefly stated, may be said tocompi-i'se niechani-smfor feeding the metal or other. ma.- tenia'l to be treated to the punchesandfldies, aseparate set of punches and. dies for oper ati'ng upon the bodyplate of the buckle, sepao-f one of the forming-punches for the tongue.

blanks of the tongue constantly being treated during-the operation of the machine. will first make general reference to the manner in which these operations are brought 1 about. 1

Automatically-operated feed mechanism A isprovided at each side or end of the machine,

- which cooperate to feed'the metal strips Ct to the blanking punches and dies. One of these automaticfeed.mechanismsA feeds the-material to thepunchesand dies for forming the tongues of the buckle, whereas the feed mechanism at the'opposite end of themachine is employed to feed a, metal strip a to. the punches and dies for forming the body-plates of the buckles. As these parts are progressively operated upon they are conveyed to an antomatically-operated assembling-slide, (irepresentedin detail in, Figs. 20, 21,22, 23,and 24 of the drawings-,.).by'means of which they are conveyed to the closing punchandidie, and there completed buckles are formed and' discharged from the apparatus. Theapparatus is automatic in all of its operations and the parts so timed with. relation to each other that each mechanism takes up, its operation at a predetermined time, and. completes its oporation and the article isoonveyed to the next mechanism, and soon until the blankswhich.

are cut from theJmetal strips a are turned out in the form of completed. buckles.

Reference being had to the accompanying drawings, 1' represents the main framing of the machine, which is supported upon a bedplate 2', that is or may be supported by suitable legs-3. chine comprises two upright standards and a Figs. 65, 67,69, and

The main framing 1 of? the macross-piece4, uniting the same, and in this tra ning is mounted the main shaft 5, whichis connected to a fly-wheel 6, connected with a pulley 7, to which power-may be applied by a 5 suitable belt to drive the various portionsof the mechanism. Carried by a bracketS, projecting fromthe cross-piece 4 of.the framing, is a counter-shaft 9,, which is provided witha gear-wheel 10, that is'adapted to cooperate witha gear-wheel ll, carried upon the main. T shaft 5; of the machine, and. by this vmeans motioniscommunicated. from the mainshaft 5 to the counter-shaft 9.

.The metal-feed mechanism A, which we arenow about to describe, is substantially the same in all its essential details as that shown, and described inthe patent to Fredrick,

Marggrafi, No. 252,7 86, dated June 24,1882, and only a general description. thereof and its connection with the punching-machine will be given, inasmuch as the particular feed mechanism shown constitutes no part of our present invention, and it should be understood that any suitable feed mechanism may be employed. Upon the counter-shaft 9 is carried a head 12, in one face of which is provided a way 13, in which a slide 14 is received. This slide 14 is made adj ustable in the head 12 to change the degree of eccentricity of the wrist-pin 15, to which is connected a link 16, that is pivoted to a slide 17. This slide 17 moves in an extension 18, projecting from the framing 10f the machine, and the lower end ofthis slide is pivotally connected to the links 19 of the metal-feed A. The purpose of adjusting the wrist-pin 15 in the manner just described is to vary the throw imparted to the links 19 to vary the lateral feed movement imparted to the carriage of the feed mechanism A. Connected with an eccentric 20, projecting from the wrist-pin 15, is a link or rod 21, the lower end of which is adapted to cooperate with the feeding mechanism A to rotate the feed-rollers 22 to feed the strip of metal in a longitudinal direction to the punches. It will be understood that this mechanism is duplicated at each side of the machine and that a stripfeed mechanism A is provided for each set of punches and dies. In describing this mechanism it is sufficient that it shall be understood that the strips a shall be fed to the punches in the direction of the lengths of the said strips and that the carriage upon which said strips are supported will receive an intermittent lateral shift to utilize the entire width of the metal operated upon.

In the particular feed mechanism shown the parts are rendered adjustable, so that any width of material can be employed and any desired extent of lateral and longitudinal feed may be given to the material. The parts having been properly set to the material to be operated upon, a rotationof the main shaft will cause the connecting-rods 21 to be moved to operate the feed-rollers. This movement of the rods or links will transmit motion to the shafts 23, which will cause the feed-rollers 22, carried upon the shafts 24, to be rotated through the bevel-gear connections 25 26. The rotation thus transmitted to the feed-rollers will cause them to feed the strips of material a between them in a longitudiual direction. When the slide 17 is operated, it transmits motion to a pinion which engages a rack 26 for intermittently transmitting a lateral motion to the carriages 27, which carry the feed-rollers, and thus give an intermittent lateral feed to the material to be operated upon.

In the particular mechanism shown and described two feed or dial plates 28 29, as we term them, are employed. One of these dial-plates 28 cooperates with the punches and dies for the production of the tongues of the buckles, whereas the dial-plate 29 co- Operates With the punches and dies for the production of the body-plates of the buckles. These dial-plates are each formed in the nature of a ring, which is adapted to rotate around a central disk-like projection 30,

formed on the bed-plate of the machine. Each of these dial-plates 28 29 is provided with a series of openings or apertures 31 32, respectively, which conform in outline to the outline of the blanks to be carried thereby. Thus, for instance, each of the apertures 31 in the dia l-plate 28 has the outline of the blank of the tongue as it is first cut from the material, whereas each of the apertures 32 in the dial-plate 29' conforms in outline to the blank of the body-plate of the buckle as it is first punched from the metal. The dial-plates are maintained in place by suitable meanssuch, for instance, as those represented in detail in Figs. 18 and 19, wherein a bracket 28 is provided, which is secured to the disklike portion 30 by a screw29 and projects over a dial-plate. recess 30 in the bracket 28 is a block 31 which is provided with an upwardly-projecb ing flange 32 on each. end thereof and is adapted to bear upon a dial-plate, as represented in Fig. 19. A leaf-spring 33 is adj ustably secured to the bracket 28 and the free ends of this spring are adapted to bear upon the flanges 32 of the block 31 and maintain a spring-pressure thereon to retain the dial-plate in place. By referring to Fig. 10 of the drawings, in which the dial-plates have been removed, it will be observed that the base of the bed-plate on which these dial plates 28 and 29 revolve is diiferently formed at the different points in their extent. Thus, for instance, a considerable portion of each of the bed-plates where the dial-plates revolve is made flush, so that a blank stamped into one of the apertures in one of the dial-plates will be conveyed by the dialplate over the flush or flat portions of the bed-plate referred to. However, at different points in the bedplate Where the dial-plates revolve, and which we will hereinafter refer to as the trackways of the dial-plates, are located dies which co operate with the punches, to be hereinafter referred to, for the production of the blanks contained in the pockets or apertures in said dial-plates.

\Ve will now proceed to describe the operation of each of the punches and the mechanism cooperating therewith to punch and stamp up the different portions which go to form the buckle. It should be understood that several sets of punches and cooperating dies are employed for each .part of the buckle and that each punch and its cooperatingdie perform a portion of the operation, and the part is then transferred to the next punch and its cooperating die, and so on until the parts are brought into the position to be united. We will first describe the punches and dies of the body-plate of the buckle with which the dial plate 29 cooperates. Thus the metal is fed to the first punch 33,-which punch is repre- Vertically movable in a IIO sented in detail in Figs. 25 and 26of the drawings. At the portion of the machine where thispunch 33 is mounted a fixed cutting-die 34 which is clearly shown in Figs. 13 and 14 of the drawings, is secured, as indicated at to the centraldisk-like plate 30. This die 34 extends over the dial-plate 29, and the aperture therein corresponds to the pockets or apertures 32 in the dial-plate which are adapted to register therewith. Cooperating withthe punch 33 is a follower 36 which is automatically operated to act as followsz As the punch 33 descends to cut the blank the followerwill be elevated by means to be here.- inafter described and passing through an aperture in the dial-plate will bear upon the underside of the metal strip a. After the punch cuts the blank the follower will recede as the punchdescendsand the punch and follower will maintain the blank between them until the follower attains the position represented in'Fig. 13, where the face ofthe follower is flush with the t-rackway. The punch will then 'recede, and when the dialplate is next moved the blank will be carried to the next punch. In order to maintain a constant pressure on the blank while it is be ing acted upon by the punch, so as to main tain it properlycentered in the pocket in the dial-plate, we provide the punch 33 witha' spring-pressed finger 34, which projects from the. face of the punch and contacts with the metalstrip from which the blank is to be cut 4 before the punch reaches contact with the metal. IThisspring-pressed pin 34 may be arranged in any suitable manneP-such, for instance, as that represented in Fig. 45 of the drawings, wherein the parts are broken away to indicate the manner of-mountinga oor-respondingpinin one of the other punches. After thepunch has been withdrawn from the die and the pocketin the dial-plate 29 the said dial-plate is automatically given a par! tial rotation to convey said pocket in which the..cut blank is contained to the next succeeding punch35, which. is represented in detail in Figs..29 and.30 of the drawings;

When the dial-plate conveys the blank I) to the punch 35, the said blank-is brought over a die'36 in the trackway of the dial-plate. This die 36 is represented in detail in Figs. 65 and 66 of the drawings and is preferably provided with spring-pressed plnngers 37, which are normally maintained flush with the traokway of the dial-plate, as indicated in Fig. 616, so that after the cut has been made the blank will be in a position to be moved byithe dial-plate over the trackway. When thed'ial plate is stopped andthe punch 35 is brought to bear upon the blank, the cutters 38.and 39 on said punch penetrate the metal of the blank and produce such a blank as is indicated at c in Figs. 31 and 32 of the draw ings- When the punch retracts, the dial! plate 29 is again automatically moved to a point where the blank 0 is conveyed to the next punch, which is a forming-punch and is etiie indicated in detail zit-41 in Figs. 33 and 34'of the drawings. .This punch is provided with a spring-pressed finger 42, similar to that de-' scribed in connection with the punch 33. This finger is brought to bear upon the blank before the punch bears thereon in order to maintain the blank properly centered in the die. When the blank chas been brought by the dial-plate to the punch 41 in the manner described, it is conveyed to a die 43, contained in the trackway of the dial-plate. This die 43 is illustrated in detail in Figs. 67 and 68 of the drawings and is provided with a springpressed plunger 44, which is normally-maintained flush with the trackway of the dialplate, as indicated in Fig. 68, in order to-force the blank out of the die after the punch-has receded therefrom- It-will be understood that as the spring-pressed plunger 44 forces the blank-from the die after the punch has re ceded therefrom it will convey said blank into the pocket in the dial-plate, thus allow- .ing the dial-plate to convey the blank to the next succeeding plunger. After the blank has been treated by the punch 41 and its cooper ating die in the manner described it is automatically conveyed by the dial-plate 29 to the next succeeding punch 45, which is illustrated in detail in Figs. 3'7 and 38 of the drawings.

This die is provided with a teat 46, which is adapted to-project through the aperture (1,

contained in the blank, when the punch reaches contact therewith in order to maintain the blank properlypositioned in the die when the blank is operated upon. We likewise providethis punch with a spring-pressed finger 40 to bear upon the blank, as has been hereinbefore described, and with a cut-away portion,.as indicated at 4,7. This punch 45 and its cooperating die, which is represented at 49 in Figs. 69 and of the drawings, converts the blank represented in Figs. 35 and 36 of the drawings into the form represented in Figs. 39 and 40, wherein it will be observed that the projecting arms e of the blank are struck up at substantially right angles to the plane of the body portion of the blank. This bending up of the arms 0 of the blank is accomplished by the movable blocks 50 in the die 49. When the blank shown in Figs. 35 and 36 is brought by the dial-plate tothe die 49, the blocks 50 will be elevated to cause the arms e of the blank to be bent against the vertical face of the punch 45, formed at the cutaway'portion 47 thereof. The means for operatingthe blocks 50 in the die 49 will be hereinafter referred to. Upon reference to Fig. 69 of the drawings it willbe observed that the die is of such shape that .a considerable portion of the'blank will rest upon what constitutes a portion of the trackway-ofthe dial-plate, so

. that as said dial-plate is moved the blankcontained in the pocket thereof over the die 49 will be moved with it. --After the blank has 

